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Ranchers observing a small group of cattle at pasture.

Johne’s Disease Testing in Beef Herds: Testing Plans and Responses

While still somewhat imperfect, testing herd animals for Johne’s Disease is an appropriate tool for producers and their veterinarians to begin to get a handle on the level of infection and to implement sound strategies for limiting the disease’s effects.

Several chickens in chicken coup. Some are resting lethargically.

Importance of Chicken Infectious Bronchitis Virus: Q&A

Infectious bronchitis virus (IBV) is a coronavirus that infects chicken flocks, causing respiratory disease. Some IBV isolates can result in a kidney disease (nephritis). Drop of egg production in laying hens is an important sign for IBV infection.

ripe and unripe tomatoes tipping a cage over

Wet Weather Leads to Tomato Problems

Most of the questions that have been coming in lately, and also earlier this summer, relate to tomato problems. Despite early predictions that this summer was going to be dry, many areas have received above average rainfall with many parts of South Dakota far exceeding typical rainfall amounts in the month of August. Many gardeners received 5 to 8” of rain or more in the first three weeks of August alone.

Blood sample sitting on a countertop in a veterinary lab.

Minimizing the Neospora Threat by Using Serology in Beef Replacement Heifer Selection

Neospora caninum is one of the lesser-known causes of infectious reproductive failure in beef herds. It’s always possible for herds to encounter new Neospora infections in a given year, but in herds in which it’s already established, using Neospora serology can be one consideration in choosing replacement heifers.

Single red and white cow standing in harvested cornstalks.

Grain Overloads: A Possible Consequence of Cornstalk Grazing

Corn residues are a great source of winter feed, but in certain situations, cattle producers should be aware of the possibility of grain overloads, which can impact herd health.

Left: A corn ear showing Gibberella ear rot symptoms. Right: A prematurely dried corn stalk split to reveal pith disintegration due to stalk rot.

Corn Ear Rots and Stalk Rots: The Last Issues To Check for in Corn Before Combining

Before combining corn, it is recommended to scout your field for corn ear rots and stalk rots. It is important to scout corn fields for these two issues in order to make timely decisions on corn combining.

Map showing the risk of Fusarium head blight with green equaling no risk, yellow equaling moderate risk, and red equaling high risk. Much of the eastern half of South Dakota is red.

The Fusarium Head Blight Prediction Tool

The Fusarium head blight prediction tool, available through Penn State University and Mesonet at SDState, uses weather variables to predict the risk for Fusarium head blight in wheat.

Yellow and green leaf of oats. Yellowing color is a symptom of Barley yellow dwarf virus.

Barley Yellow Dwarf Developing in Oats

A few oat fields that were recently scouted were found to have barley yellow dwarf virus infected plants. The infected plants were few and scattered throughout the oat fields.

Green winter wheat leaf with yellow-orange strips indicative of stripe rust.

Stripe Rust Found in Winter Wheat at Low Severity

Stripe rust was observed in the crop performance trials at the Dakota Lakes Research Farm in Hughes County and at Ideal in Tripp County. At both locations, stripe rust was at a low severity.

A stock pond with algae blooms developing throughout.

How Important Is Water Quality to Livestock?

Water is the most important nutrient to all livestock animals and is sometimes overlooked. Poor quality water can have a negative effect on growth, reproduction, and general productivity of the animal.